summaryrefslogtreecommitdiff
path: root/image-package-example/common.sh.in
diff options
context:
space:
mode:
Diffstat (limited to 'image-package-example/common.sh.in')
-rw-r--r--image-package-example/common.sh.in72
1 files changed, 72 insertions, 0 deletions
diff --git a/image-package-example/common.sh.in b/image-package-example/common.sh.in
new file mode 100644
index 00000000..9a7389a7
--- /dev/null
+++ b/image-package-example/common.sh.in
@@ -0,0 +1,72 @@
+#!/bin/false
+# Script library to be used by disk-install.sh and make-disk-image.sh
+
+status(){
+ echo "$@"
+}
+
+info(){
+ echo "$@" >&2
+}
+
+warn(){
+ echo "$@" >&2
+}
+
+extract_rootfs(){
+ tar -C "$1" -xf @@ROOTFS_TAR_PATH@@ .
+}
+
+make_disk_image(){
+ truncate --size "$1" "$2"
+}
+
+format_disk(){
+ local disk="$1"
+ mkfs.ext4 -F -L rootfs "$disk"
+}
+
+install_fs_config(){
+ local mountpoint="$1"
+ local rootdisk="${2-/dev/vda}"
+ cat >>"$mountpoint/etc/fstab" <<EOF
+$rootdisk / ext4 rw,errors=remount-ro 0 0
+EOF
+ install -D -m 644 /proc/self/fd/0 "$mountpoint/boot/extlinux.conf" <<EOF
+DEFAULT baserock
+LABEL baserock
+SAY Booting Baserock
+LINUX /boot/vmlinuz
+APPEND root=$rootdisk
+EOF
+}
+
+install_bootloader(){
+ local disk="$1"
+ local mountpoint="$2"
+ dd if=@@IMAGE_DIR@@/mbr.bin conv=notrunc bs=440 count=1 of="$disk"
+ extlinux --install "$mountpoint/boot"
+}
+
+loop_file(){
+ losetup --show --find "$1"
+}
+unloop_file(){
+ #losetup --detach "$1"
+ # unlooping handled by umount -d, for busybox compatibility
+ true
+}
+
+temp_mount(){
+ local mp="$(mktemp -d)"
+ if ! mount "$@" "$mp"; then
+ rmdir "$mp"
+ return 1
+ fi
+ echo "$mp"
+}
+untemp_mount(){
+ # Unmount and detach in one step for busybox compatibility
+ umount -d "$1"
+ rmdir "$1"
+}